登录验证码配置优化

maxkey-core/src/main/java/org/dromara/maxkey/configuration/LoginConfig.java

@@ -26,6 +26,9 @@ public class LoginConfig {
 	@Value("${maxkey.login.captcha}")
     boolean captcha;
 	
+	@Value("${maxkey.login.captcha.type}")
+    String captchaType;
+	
     @Value("${maxkey.login.mfa}")
     boolean mfa;
     
@@ -108,6 +111,14 @@ public class LoginConfig {
 		this.casService = casService;
 	}
 
+	public String getCaptchaType() {
+		return captchaType;
+	}
+
+	public void setCaptchaType(String captchaType) {
+		this.captchaType = captchaType;
+	}
+
 	@Override
 	public String toString() {
 		StringBuilder builder = new StringBuilder();